Commit | Line | Data |
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252b5132 | 1 | /* BFD library support routines for the Z800n architecture. |
7898deda | 2 | Copyright 1992, 1993, 1994, 2000 Free Software Foundation, Inc. |
252b5132 RH |
3 | Hacked by Steve Chamberlain of Cygnus Support. |
4 | ||
5 | This file is part of BFD, the Binary File Descriptor library. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include "bfd.h" | |
22 | #include "sysdep.h" | |
23 | #include "libbfd.h" | |
24 | ||
252b5132 RH |
25 | #if 0 /* not used currently */ |
26 | /* | |
27 | Relocations for the Z8K | |
28 | ||
29 | */ | |
30 | static bfd_reloc_status_type | |
31 | howto16_callback (abfd, reloc_entry, symbol_in, data, | |
32 | ignore_input_section, ignore_bfd) | |
33 | bfd *abfd; | |
34 | arelent *reloc_entry; | |
35 | struct symbol_cache_entry *symbol_in; | |
36 | PTR data; | |
37 | asection *ignore_input_section; | |
38 | bfd *ignore_bfd; | |
39 | { | |
40 | long relocation = 0; | |
41 | bfd_vma addr = reloc_entry->address; | |
42 | long x = bfd_get_16 (abfd, (bfd_byte *) data + addr); | |
43 | ||
44 | HOWTO_PREPARE (relocation, symbol_in); | |
45 | ||
46 | x = (x + relocation + reloc_entry->addend); | |
47 | ||
48 | bfd_put_16 (abfd, x, (bfd_byte *) data + addr); | |
49 | return bfd_reloc_ok; | |
50 | } | |
51 | ||
252b5132 RH |
52 | static bfd_reloc_status_type |
53 | howto8_callback (abfd, reloc_entry, symbol_in, data, | |
54 | ignore_input_section, ignore_bfd) | |
55 | bfd *abfd; | |
56 | arelent *reloc_entry; | |
57 | struct symbol_cache_entry *symbol_in; | |
58 | PTR data; | |
59 | asection *ignore_input_section; | |
60 | bfd *ignore_bfd; | |
61 | { | |
62 | long relocation = 0; | |
63 | bfd_vma addr = reloc_entry->address; | |
64 | long x = bfd_get_8 (abfd, (bfd_byte *) data + addr); | |
65 | ||
66 | HOWTO_PREPARE (relocation, symbol_in); | |
67 | ||
68 | x = (x + relocation + reloc_entry->addend); | |
69 | ||
70 | bfd_put_8 (abfd, x, (bfd_byte *) data + addr); | |
71 | return bfd_reloc_ok; | |
72 | } | |
73 | ||
252b5132 RH |
74 | static bfd_reloc_status_type |
75 | howto8_FFnn_callback (abfd, reloc_entry, symbol_in, data, | |
76 | ignore_input_section, ignore_bfd) | |
77 | bfd *abfd; | |
78 | arelent *reloc_entry; | |
79 | struct symbol_cache_entry *symbol_in; | |
80 | PTR data; | |
81 | asection *ignore_input_section; | |
82 | bfd *ignore_bfd; | |
83 | { | |
84 | long relocation = 0; | |
85 | bfd_vma addr = reloc_entry->address; | |
86 | ||
87 | long x = bfd_get_8 (abfd, (bfd_byte *) data + addr); | |
88 | abort (); | |
89 | HOWTO_PREPARE (relocation, symbol_in); | |
90 | ||
91 | x = (x + relocation + reloc_entry->addend); | |
92 | ||
93 | bfd_put_8 (abfd, x, (bfd_byte *) data + addr); | |
94 | return bfd_reloc_ok; | |
95 | } | |
96 | ||
97 | static bfd_reloc_status_type | |
98 | howto8_pcrel_callback (abfd, reloc_entry, symbol_in, data, | |
99 | ignore_input_section, ignore_bfd) | |
100 | bfd *abfd; | |
101 | arelent *reloc_entry; | |
102 | struct symbol_cache_entry *symbol_in; | |
103 | PTR data; | |
104 | asection *ignore_input_section; | |
105 | bfd *ignore_bfd; | |
106 | { | |
107 | long relocation = 0; | |
108 | bfd_vma addr = reloc_entry->address; | |
109 | long x = bfd_get_8 (abfd, (bfd_byte *) data + addr); | |
110 | abort (); | |
111 | HOWTO_PREPARE (relocation, symbol_in); | |
112 | ||
113 | x = (x + relocation + reloc_entry->addend); | |
114 | ||
115 | bfd_put_8 (abfd, x, (bfd_byte *) data + addr); | |
116 | return bfd_reloc_ok; | |
117 | } | |
118 | ||
252b5132 RH |
119 | static reloc_howto_type howto_16 |
120 | = NEWHOWTO (howto16_callback, "abs16", 1, false, false); | |
121 | static reloc_howto_type howto_8 | |
122 | = NEWHOWTO (howto8_callback, "abs8", 0, false, false); | |
123 | ||
124 | static reloc_howto_type howto_8_FFnn | |
125 | = NEWHOWTO (howto8_FFnn_callback, "ff00+abs8", 0, false, false); | |
126 | ||
127 | static reloc_howto_type howto_8_pcrel | |
128 | = NEWHOWTO (howto8_pcrel_callback, "pcrel8", 0, false, true); | |
129 | ||
252b5132 RH |
130 | static reloc_howto_type * |
131 | local_bfd_reloc_type_lookup (arch, code) | |
132 | const struct bfd_arch_info *arch; | |
133 | bfd_reloc_code_real_type code; | |
134 | { | |
135 | switch (code) | |
136 | { | |
137 | case BFD_RELOC_16: | |
138 | return &howto_16; | |
139 | case BFD_RELOC_8_FFnn: | |
140 | return &howto_8_FFnn; | |
141 | case BFD_RELOC_8: | |
142 | return &howto_8; | |
143 | case BFD_RELOC_8_PCREL: | |
144 | return &howto_8_pcrel; | |
145 | default: | |
146 | return (reloc_howto_type *) NULL; | |
147 | } | |
148 | } | |
149 | #endif | |
150 | ||
151 | int bfd_default_scan_num_mach (); | |
152 | ||
153 | static boolean | |
154 | scan_mach (info, string) | |
155 | const struct bfd_arch_info *info; | |
156 | const char *string; | |
157 | { | |
158 | if (strcmp (string, "z8001") == 0 || strcmp (string, "z8k") == 0) | |
159 | { | |
160 | return bfd_mach_z8001 == info->mach; | |
161 | } | |
162 | if (strcmp (string, "z8002") == 0) | |
163 | { | |
164 | return bfd_mach_z8002 == info->mach; | |
165 | } | |
166 | return false; | |
167 | } | |
168 | ||
252b5132 RH |
169 | /* This routine is provided two arch_infos and returns whether |
170 | they'd be compatible */ | |
171 | ||
172 | static const bfd_arch_info_type * | |
173 | compatible (a, b) | |
174 | const bfd_arch_info_type *a; | |
175 | const bfd_arch_info_type *b; | |
176 | { | |
177 | if (a->arch != b->arch || a->mach != b->mach) | |
178 | return NULL; | |
179 | return a; | |
180 | } | |
181 | ||
252b5132 RH |
182 | static const bfd_arch_info_type arch_info_struct[] = |
183 | { | |
184 | {32, 32, 8, bfd_arch_z8k, bfd_mach_z8001, "z8k", "z8001", 1, false, compatible, scan_mach, 0,}, | |
185 | }; | |
186 | ||
187 | const bfd_arch_info_type bfd_z8k_arch = | |
188 | { | |
189 | 32, 16, 8, bfd_arch_z8k, bfd_mach_z8002, "z8k", "z8002", 1, true, compatible, scan_mach, &arch_info_struct[0], | |
190 | }; |